"The symptoms of possession, Father [Malachi] Martin says, are often confused with mental illness. 'Science spent a lot of time trying to prove that these people were, so to speak, loonies,' he says. 'Now most of my cases are referred to me by psychiatrists.' Victims tend to undergo a startling change of personality. They may become unpredictable, violent and treacherous. They humiliate their families, plot against their friends
'The peculiar thing is that these people are usually highly sophisticated, and the last thing you would suspect is that they were in league with the Devil. But there is always something about them. It may be a look in their eyes, a tone of voice, a sense of coldness, of contempt. Some- thing inhuman. When you encounter it, you know you have met the true enemy.'" Full article here.